421126 has 8 divisors (see below), whose sum is σ = 635544. Its totient is φ = 209280.

The previous prime is 421123. The next prime is 421133. The reversal of 421126 is 621124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (79443).

2⁴²¹¹²⁶ is an apocalyptic number.

421126 is a deficient number, since it is larger than the sum of its proper divisors (214418).

421126 is a wasteful number, since it uses less digits than its factorization.

421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its digits is 96, while the sum is 16.

The square root of 421126 is about 648.9422162258. The cubic root of 421126 is about 74.9555885216.

The spelling of 421126 in words is "four hundred twenty-one thousand, one hundred twenty-six".